How to Pay a Bill in the Town of Princeton
Timely Payments
Payments must be received in the Collector’s Office by the due date in order to be considered “on time.” Postmarks are never accepted. This policy is in accord with the ruling of the Massachusetts Department of Revenue on what constitutes “timely payments.”
Pay Online With a Mobile Device using a QR Code
- Have your checkbook or credit card in hand
- Scan the QR Code below and then select a transaction
- Complete the required fields
- Add to Cart
- Log into your UniPay account or check out as Guest

Pay By Mail
Secure Lock Box Service
Princeton, MA -Department 2680
PO Box 986500
Boston, MA 02298-6500
Tax Collector's Office
Tax Collector
6 Town Hall Drive
Princeton, MA 01541-1137
Pay After Hours at Town Hall
- Use the locked box located in the front door of Bagg Hall
- Payments that are left in the box after tax due date cut-off time will be credited to your account as of the next business day
- Please be aware of the due date of your bill and the time of day in order to ensure that your payment is credited to avoid late charges
In Person
- Visit the Tax Collector’s Office in Bagg Hall at 6 Town Hall Drive
- If you want a receipt for your payment, bring the entire bill to the office.
Warning: Late Motor Vehicle Excise Tax
If you have been marked at the Registry of Motor Vehicles and cannot renew either your license or automobile registration because of an outstanding Motor Vehicle Excise bill, we cannot accept payment for a tax bill that has already been turned over to the Deputy Tax Collector. You will need to contact call Jeffery and Jeffery, Deputy Tax Collector, at (413) 967-9941 www.jefferyandjeffery.com
The Registry of Motor Vehicles will notify you if you have a marked bill.
